To flush or not to flush. It’s a question whose answer is obvious in the bathroom, but vigorously debated in the garage. Let’s get right to the point. Is an engine flush good or bad?
It depends on what you want to accomplish. But, first of all, check your owner’s manual to see if your vehicle manufacturer recommends one instead of the other. If you want to ensure removal of nearly all the old transmission fluid, have your transmission flushed. Here’s what we’ll cover: What is a Transmission Flush? Downsides